224485 has 16 divisors (see below), whose sum is σ = 302400. Its totient is φ = 158976.

The previous prime is 224473. The next prime is 224491. The reversal of 224485 is 584422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 224485 - 2¹¹ = 222437 is a prime.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1546 + ... + 1684.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2²²⁴⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

224485 is a deficient number, since it is larger than the sum of its proper divisors (77915).

224485 is a wasteful number, since it uses less digits than its factorization.

224485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its digits is 2560, while the sum is 25.

The square root of 224485 is about 473.7984803690. The cubic root of 224485 is about 60.7755795568.

The spelling of 224485 in words is "two hundred twenty-four thousand, four hundred eighty-five".